4.分配接口旧地址 Branch( config-if)ip address 192.168.0.1 255,255,255.0 或 Branch( config)#interface loopback 0 Branch(config-if)#ip address 10.0.0.1 255.255.255.0 Branch( config-if)#interface serial 1 /1 Branch(config-if)ip unnumbered loopback 04．分配接口IP地址 Branch(config-if)#ip address 192.168.0.1 255.255.255.0 或 Branch(config)#interface loopback 0 Branch(config-if)#ip address 10.0.0.1 255.255.255.0 Branch(config-if)#interface serial 1/1 Branch(config-if)#ip unnumbered loopback 0